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Richard S Ruback: Amazon KDP author data

As of Nov 6, 2026, Richard S Ruback has 3 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #1), mostly in Business Development & Entrepreneurship, Starting a Business, Finance.

3Books on Amazon
2Listed in 30 days
4.7Average rating
Median price$13.20
Price range (middle 50%)$12.87 – $23.05
Median reviews1,190
Total reviews3,570
New listings (30 days, incl. new editions)0
Breakout books (30 days)0

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What stands out

  • Median price $13.20, 32% above the median of their main category, Business Development & Entrepreneurship.

Richard S Ruback's best-ranked books

  1. HBR Guide to Buying a Small Business: Think Big, Buy Small, Own Your Own Company (HBR Guid book cover by Richard S Ruback

    HBR Guide to Buying a Small Business: Think Big, Buy Small, Own Your Own Company (HBR Guide Series)

    by Richard S Ruback

    • Price$13.20
    • Rating4.7
    • Reviews1,190
    • Published2017-02

    View on Amazon · Full data on KDPTop

  2. HBR Guide to Buying a Small Business: Think Big, Buy Small, Own Your Own Company (HBR Guid book cover by Richard S Ruback

    HBR Guide to Buying a Small Business: Think Big, Buy Small, Own Your Own Company (HBR Guide Series)

    by Richard S Ruback

    • Price$12.54
    • Rating4.7
    • Reviews1,190
    • Published2017-01

    View on Amazon · Full data on KDPTop

  3. HBR Guide to Buying a Small Business: Think Big, Buy Small, Own Your Own Company (HBR Guid book cover by Richard S Ruback

    HBR Guide to Buying a Small Business: Think Big, Buy Small, Own Your Own Company (HBR Guide Series)

    by Richard S Ruback

    • Price$32.91
    • Rating4.7
    • Reviews1,190
    • Published2017-02

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Richard S Ruback have on Amazon?

KDPTop tracks 3 of their books; 2 made an Amazon list in the last 30 days.

Which categories does Richard S Ruback publish in?

Their books chart most often in Business Development & Entrepreneurship, Starting a Business, Finance.

How does Richard S Ruback price their books?

The median price is $13.20; half of the books cost $12.87–$23.05.

Has Richard S Ruback released new books recently?

0 new books in the last 30 days.

About this data

Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.